Senior Back-end Ruby on Rails Developer Desarrollo · Argentina, Uruguay ·

About the role

We’re looking for a Senior Backend Engineer with strong expertise in Ruby on Rails to join our team as a part-time contributor, helping translate complex business needs into scalable applications and improving system performance. This role is ideal for someone who enjoys working across the stack, cares deeply about code quality, and thrives in a collaborative, agile team.

Skills & Experience

• 6+ years building and maintaining Ruby on Rails (v8.x) applications.
• Advanced PostgreSQL skills (indexes, partitions, migrations, multi-tenant).
• Proven track record writing clean, reliable tests with RSpec and Jest.
• Deep understanding of Git workflows, GitHub PR review, and Docker-based development.
• Proficiency in Sidekiq, Redis patterns, Sentry.
• Hands‑on experience with cloud environments (AWS/GCP/Azure), Docker, Kubernetes, CI/CD pipelines and Heroku Services.
• Great team player and c...